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Test-Lidia
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Question text
<div style="text-align: justify;"><span data-mce-mark="1"><strong style="color: #003300; text-align: justify; line-height: 1.4;">Un arbre ha quedat trencat pel vent. Ara la part trencada forma un angle de #Cº amb la part que ha quedat dreta. Quina era l'altura total de l'arbre, si la part que ha quedat dreta mesura #b m?</strong></span></div> <div style="text-align: justify;"><span style="color: #003300;" data-mce-mark="1"> </span></div> <div style="text-align: justify;"><span style="font-size: small;"><strong><span style="color: #ff6600;">Format de la resposta:</span> </strong>arrodonida al centèsims</span></div>
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No, case is unimportant
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Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
<p><span style="color: #000080;"><strong>Sabem C = #C i b = #b i volem calcular a. </strong></span></p> <p><span style="color: #000080;"><strong>S'escriu que cos #C = #b/a</strong></span></p> <p><span style="color: #000080;"><strong> i per tant, a = #b/cos#C.</strong></span></p> <p><span style="color: #000080;"><strong>Després, cal sumar #a i #b per saber l'altura total de l'arbre.</strong></span></p>
Hint 2
Hint text
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Thursday, 23 August 2018, 4:17 PM
Last saved
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Thursday, 23 August 2018, 4:17 PM
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